Holographic gratings produce less stray light than ruled gratings. They can also be produced with up to 3600 grooves per millimeter for greater theoretical resolving power. Due to their sinusoidal cross section, holographic gratings cannot be easily blazed and their efficiency is usually considerably less than a comparable ruled grating. There are, however, special exceptions which should be noted. When groove spacing to wavelength ratio is near one, a holographic grating has virtually the same efficiency as the ruled version. Also, a holographic grating with 1800 grooves per millimeter has the same efficiency at 500nm as a blazed ruled grating. Holographic master gratings are replicated by a process identical to that used for ruled gratings.
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Photomultiplier grating parts 1800 lines holographic plane grating in stock
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Meorient Import & Export Co.LTD
China - Hangzhou
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Hangzhou,Shanghai
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5-10人
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USD,CNY
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45 Day(s)
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Product Description
Holographic gratings are formed by an interference fringe field of two laser beams whose standing wave pattern is exposed to a polished substrate coated with photoresist. Processing of the exposed medium results in a pattern of straight lines with a sinusoidal cross section.
Holographic Plane Gratings
Grooves | 600~4500Lines/mm |
Blaze Wavelength | 150-1000nm |
Dimensional Tolerance | ±0.5mm |
Material | BK7 |
Coating | Aluminium |
Type | Reflective diffraction gratings |
Construction | Holographic gratings |
Holographic plane gratings
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Company Introduction
Shenyang Ebetter Optics Co.,Ltd. is a professional manufacturer of precision optical components and optical lens, diffraction grating manufacture. Since the company was established, it has been committed to the research and production and sales. We can carry out the optical system design and production of related accessories,and moreover we have already got import and export rights. nowadays products have been sold to many countries and regions,and established long-term good relations of cooperation with the optical companies of United States,Canada,the European Union and other countries. We get a good reputation with quality products.
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